ENS 48194

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v t e ENS Event
19:30 Aug 15, 2012
Title	Offsite Notification Due to Tritium in Degraded Drain Line
Event Description	At 1000 hours0.0116 days <br />0.278 hours <br />0.00165 weeks <br />3.805e-4 months <br /> [EDT] on 8/14/12, Surry Power Station personnel confirmed the presence of tritium at a level of 1,250 picoCuries/liter (pCi/l) in the #3 Turbine Building sump. The sump water had been tested upon discovery of a degraded drain line on the sump discharge that resulted in a leak to the environment. The exact volume could not be determined, but it is estimated to be greater than the 100 gallon reporting criteria. The location of the leak is within the Protected Area of Surry Power Station. To prevent additional releases, water from the #3 Turbine Building sump has been redirected to another turbine building sump. There is no Indication that this water has migrated offsite. Because there was a detectable amount of licensed material in the water, Surry has implemented our voluntary communication protocols to the state and Surry County as per our commitment to the Nuclear Energy Institute (NEI) Ground Water Protection Initiative. An adjacent ground water monitoring well was sampled, and no tritium activity was detected in the well water. There has been no tritium detected in any monitoring wells in the vicinity of the drain line, nor in any monitoring wells outside the Protected Area. The activity of the leak was approximately 6% of the criteria for reporting actual ground water activity (20,000 pCi/l). Because the leak remained on site, no offsite impact to ground water is expected. Furthermore, the leak posed no threat to employees or the public. The degraded drain pipe is currently being repaired. This notification Is being transmitted due to Notification of Other Government Agencies under 10CFR50.72(b)(2)(xi). The Virginia Department of Environmental Quality, Virginia Department of Health, and Virginia Department of Emergency Management were notified. The NRC Senior Resident [Inspector] and Surry County Administrator will be notified.

ENS 48194 +/-
Where
Surry Virginia (NRC Region 2)
Reporting

10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release
Time - Person (Reporting Time:+-3.15 h-0.131 days <br />-0.0187 weeks <br />-0.00431 months <br />)
Opened:	Alan Bialowas 16:21 Aug 15, 2012
NRC Officer:	Dong Park
Last Updated:	Aug 15, 2012
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v • d • e

v t e Emergency Notification System
Surry with 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release
WEEKMONTHYEAR2024-05-02T19:05:00 [Table view]
[ENS list for Surry]

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